<!DOCTYPE html>
<html>
<head>
<meta charset=utf-8 />
<title></title>
  <script src='http://api.tiles.mapbox.com/mapbox.js/v1.3.1/mapbox.js'></script>
  <link href='http://api.tiles.mapbox.com/mapbox.js/v1.3.1/mapbox.css' rel='stylesheet' />
  <!--[if lte IE 8]>
    <link href='//api.tiles.mapbox.com/mapbox.js/v1.3.1/mapbox.ie.css' rel='stylesheet'>
  <![endif]-->
  <style>
    body { margin:0; padding:0; }
    #map { position:relative; width:700px;height:400px; }
  </style>
</head>
<body>
<div id='map'></div>
<script type='text/javascript'>
var map = L.mapbox.map('map', 'examples.map-8ced9urs');
map.gridControl.options.follow = true;
</script>
</body>
</html>